Our thoughts are with our friend & colleague Dr. Craig Spencer during this difficult time and with all patients with Ebola across the world.

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MDCalc

Fractional Excretion of Urea (FEUrea)

Determines the cause of renal failure. Similar to the FENa, but can be used on patients on diuretics.

Calculations must be re-checked and should not be used alone to guide patient care nor should they substitute for clinical judgement. disclaimer